/*
*  This file is part of mangusta
*
*  mangusta is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  mangusta is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with mangusta; if not, write to the Free Software
*  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  US
*
*  Author: <antonino.calderone@ericsson.com>, <acaldmail@gmail.com>
*
*/


/* -------------------------------------------------------------------------- */

#ifndef __NU_FLAG_MAP_H__
#define __NU_FLAG_MAP_H__


/* -------------------------------------------------------------------------- */

#include <map>
#include <cassert>

/* -------------------------------------------------------------------------- */

namespace nu
{


/* -------------------------------------------------------------------------- */

class flag_map_t
{
public:
   flag_map_t() = default;
   flag_map_t(const flag_map_t&) = default;
   flag_map_t& operator=(const flag_map_t&) = default;


   // ---------------------------------------------------------------------

   void reset_all()
   {
      for (auto & f : _flgs)
      {
         f.second = false;
      }
   }


   // ---------------------------------------------------------------------

   void define(int id, bool val = false)
   {
      _flgs.insert(std::make_pair(id, val));
   }


   // ---------------------------------------------------------------------

   bool operator[](int id) const throw()
   {
      auto i = _flgs.find(id);
      assert(i != _flgs.end());
      return i->second;
   }


   // ---------------------------------------------------------------------

   bool & operator[](int id) throw()
   {
      auto i = _flgs.find(id);
      assert(i != _flgs.end());
      return i->second;
   }


   // ---------------------------------------------------------------------

private:
   std::map<int, bool> _flgs;
};


/* -------------------------------------------------------------------------- */

}


#endif // __NU_FLAG_MAP_H__
